07_data_type.js

/* data type on js totaly is 7 
Primitive - string, number,bootlean, null, undefined,
symbol,
Object - arrays, functions, objects
typeof - operator (typeof variable) (typeof value)
String
*/

// string
let name = 'dncode';
// number
const amount = 1000;
// boolean
const booleanValue = false;
// null
const data = null;
// undefined
let urlink;
const empty = 0;
console.log(typeof name);
console.log(typeof amount);
console.log(typeof booleanValue);
console.log(typeof data); /*null will result object*/
console.log(typeof urlink);
console.log(typeof empty);